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AndyOppenheimer

Partner

Overview

Biography

Andy is a corporate and transactional tax lawyer with extensive experience with mergers and acquisitions and other complex business transactions. He advises corporations, partnerships, and limited liability companies on domestic and cross-border matters.

With a particular focus on structuring and executing M&A transactions, Andy also advises on financings, restructurings, reorganizations, and joint ventures. He represents private equity sponsors, portfolio companies, and closely held businesses in negotiated transactions, bringing an integrated tax and corporate perspective to deal structuring and execution. Andy has deep experience with sponsor-backed transactions, including structuring rollover equity arrangements, partnership waterfalls, and other complex capital arrangements.

Additionally, Andy advises on cross-border matters, including the structuring of multi-jurisdictional transactions and the application of international tax regimes and treaty considerations.

Andy is co-leader of Barclay Damon’s Business Services Practice Group and co-chair of the Tax Practice Area. He previously served as an adjunct professor at the University at Albany, where he taught international tax in the LLM in Taxation program, and co-taught a cross-border capstone course at the University at Buffalo School of Law. He frequently publishes and speaks on federal and international tax matters.

Bar Associations

  • New York State Bar Association
  • American Bar Association
  • Ontario Bar Association
Experience

Representative Experience

  • Represented a long-standing Orchard Park specialty technical manufacturer in the successful sale of its equity and real property to a private equity platform.

Prior Experience

  • Hodgson Russ LLP, Partner
  • Hodgson Russ LLP, Senior Associate
  • Hodgson Russ LLP, Associate
  • Ernst & Young, Manager
  • Ernst & Young, Senior
  • Erie County, Assistant District Attorney

Selected Honors

  • The Best Lawyers in America®: Corporate Law, 2024–2026; Litigation and Controversy – Tax, 2024–2026; Tax Law, 2024–2026
  • Selected to Super Lawyers Upstate New York Rising Stars: Tax, 2020
Knowledge

Selected Speaking Engagements

  • Bar Association of Erie County 66th Tax Institute, “The ABCs of the Business-Related International Tax Provisions Under the Tax Cuts and Jobs Act”
  • National TD Wealth Advisory Services Conference 2018
  • CleantechIQ Webinar, “Implications of New US Tax Law in Cross-Border Transactions”
  • New York State Bar Association, “LLCs and Corporations: Tax Legal Planning Considerations”
  • New York State Bar Association, “The Non-Tax Lawyer’s Guide to Tax Law”

Selected Media

Selected Alerts & Blog Posts

Featured Media

Alerts

NYSDEC Freshwater Wetland Regulations Struck Down

Alerts

Proposed Changes to NYISO Deliverability Could Cut Upstate Transmission Upgrade Costs by Nearly $1 Billion

Alerts

Amendment to the New York Trapped at Work Act Provides Employers With Clarity and Time to Comply

Alerts

New York's Medical Aid in Dying Act: What Patients and Health Care Providers Need to Know

Alerts

Second Department Holds That COVID-Era Executive Orders Toll CVA Revival Window

Alerts

Website Accessibility Lawsuits: Several "Tester" Plaintiffs—Aaron See, Ashley Tesch, Tara Mueller, Mary Ann Deinnocentes, and Judith Palaez—Targeting Businesses in Recent Flurry of Lawsuits